CH79966A
(en )
1919-06-02
Process for the production of a leather substitute from intestines
CH79494A
(en )
1918-12-02
Process for the manufacture of a leather substitute
CH82060A
(en )
1919-08-16
Process for the manufacture of a leather substitute
CH81136A
(en )
1919-10-01
Process for the production of a waterproof leather substitute from fish skins
CH80533A
(en )
1919-03-17
Process for the production of a plastic
CH82049A
(en )
1919-08-16
Process for the production of a meat extract-like preparation
CH79962A
(en )
1919-01-16
Process for the production of a lacquer
CH81608A
(en )
1919-12-01
Process for the production of a coffee substitute
CH75777A
(en )
1918-01-16
Process for the manufacture of a leather substitute
CH77251A
(en )
1918-03-16
Process for the manufacture of a leather substitute
CH81982A
(en )
1919-08-16
Process for the production of a therapeutic preparation from intima
CH83095A
(en )
1919-11-17
Process for producing a mortar former from anhydrite
CH82059A
(en )
1919-08-16
Process for the production of leather substitutes
CH79342A
(en )
1919-03-17
Process for the production of artificial leather
CH79811A
(en )
1919-01-16
Process for the production of artificial leather
CH73106A
(en )
1916-10-02
Process for the production of a leather substitute
AT98692B
(en )
1924-12-10
Process for the production of a mortar former from anhydrite.
CH80665A
(en )
1919-09-01
Process for the production of an artificial stone
CH82702A
(en )
1919-10-16
Process for the production of a disinfectant
CH94692A
(en )
1922-05-01
Process for producing a coating material.
AT89533B
(en )
1922-09-25
Process for the production of resinous bodies.
CH79955A
(en )
1919-01-16
Method of making a food
CH77250A
(en )
1919-02-02
Process for making a soap substitute
CH83598A
(en )
1919-12-16
Process for the production of a cement for dental purposes
CH78282A
(en )
1918-07-01
Process for the production of a tanning agent